Gaya APA

Mustofa, B., Sarmento, . (2010). Tenses For Childrens 1 . Semarang: Aneka Ilmu.

Gaya MLA

Mustofa, Bisri., Sarmento, . "Tenses For Childrens 1". Semarang: Aneka Ilmu, 2010. Text.